Clip-on towel holder



FIG. 1 is a perspective view of a clip-on towel holder showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image thereto;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is top plan view thereof. 

The ornamental design for a clip-on towel holder, substantially as shown and described. 